Koopman, S., Lucas, A. and Schwaab, B. (2011). Modeling frailty correlated defaults using many macroeconomic covariates Journal of Econometrics, 162(2):312--325.
Creal, D., Koopman, S. and Lucas, A. (2011). A dynamic multivariate heavy-tailed model for time-varying volatilities and correlations Journal of Business and Economic Statistics, 29(4):552--563.
Boswijk, H. and van der Weide, R. (2011). Method of moments estimation of GO-GARCH models Journal of Econometrics, 163(1):118--126.
van Kippersluis, H., O'Donnell, O. and van Doorslaer, E. (2011). Long Run Returns to Education: Does Education lead to an Extended Old Age? Journal of Human Resources, 46(4):695--721.